tag:blogger.com,1999:blog-6220586.post2097473270859098384..comments2015-07-20T18:37:31.034+08:00Comments on Tardate 11.2: Adding reCAPTCHA to Oracle SSOPaul Gallaghernoreply@blogger.comBlogger2125tag:blogger.com,1999:blog-6220586.post-68594038412226144942007-09-04T17:55:00.000+08:002007-09-04T17:55:00.000+08:00Hi Bex, thanks for the updated link. I've been loo...Hi Bex, thanks for the updated link. <BR/><BR/>I've been looking for news of reCAPTCHA being 'hacked', but haven't seen anything yet aside from your experience and the inherent vulnerability to 'porn proxy' or manual/human spam.<BR/><BR/>I like the SETI@HOME idea too ... similar in a way; while I think even more vulnerable, at least you know something good has come out of getting spammed! (and you are keeping the bot networks busy when they would otherwise be doing something nefarious)Paulhttp://www.blogger.com/profile/14028723940654655284noreply@blogger.comtag:blogger.com,1999:blog-6220586.post-3917397421633950922007-09-04T05:05:00.000+08:002007-09-04T05:05:00.000+08:00My original article is here:http://bexhuff.com/200...My original article is here:<BR/><BR/><A HREF="http://bexhuff.com/2007/08/captcha-experiment" REL="nofollow">http://bexhuff.com/2007/08/captcha-experiment</A><BR/><BR/>At present, I wouldn't advise reCAPTCHA... according to a flood of comment spam, it appears to be hackable.<BR/><BR/>I prefer the SETI@HOME approach to prevent comment spam: <B>force somebody to donate several seconds of CPU power to help solve a complex problem.</B> Unfortunately, such a solutions doesn't exist yet...Bexhttp://www.blogger.com/profile/06682106280678054614noreply@blogger.com